Boceprevir vs Vardenafil

Interacting Drugs

Security Level

Mechanism

Management

Limit the vardenafil dose to 2.5 mg/24-hour period when used with strong CYP3A4 inhibitors. With ritonavir limit dose to 2.5 mg/72-hour period. With lower doses of some inhibitors, a reduction to 5 mg/24-hour period may be adequate.